nmrglue.process.proc_base.ha

nmrglue.process.proc_base.ha(data)

Hadamard Transform

This function is very slow. Implement a Fast Walsh-Hadamard Transform with sequency/Walsh ordering (FWHT_w) for faster tranforms.

See:

http://en.wikipedia.org/wiki/Walsh_matrix http://en.wikipedia.org/wiki/Fast_Hadamard_transform